Key result
Postoperative self-management scale for aortic dissection shows excellent reliability and validity.
Why the study?
The study aimed to compile a self-management assessment scale for patients with aortic dissection to promote awareness of postoperative care and improve outcomes and quality of life.
Observational (n=415)
A newly developed 35-item self-management assessment scale for postoperative aortic dissection patients demonstrates acceptable reliability and validity for clinical use.
May support postoperative assessment in aortic dissection; extends self-management scales but remains hypothesis-generating pending prospective validation.
Objective The aim of this research was to compile a self-management assessment scale for patients with aortic dissection (AD). The questionnaire is useful in making the patient aware of the need for post-operative care in order to contribute to improving the outcome and quality of life. Methods The initial version of the “postoperative self-management assessment scale for patients with aortic dissection” was developed using the Delphi expert consultation method based on qualitative research results, consultation of self-management-related literature, reference to the existing self-management scale, and self-efficacy theory, combined with the disease characteristics of AD. By using the convenience sampling method, a total of 201 patients with AD who had undergone surgery were selected as the research participants. The initial version of the scale was used for follow-up investigation, and the scale entries were evaluated and exploratory factor analysis carried out to form the formal version of the “postoperative self-management assessment scale for patients with aortic dissection.” A total of 214 patients with AD after surgery were selected as the research participants. The formal version of the scale was used for follow-up investigation, and its reliability and validity were evaluated. Results The formal version of the scale had 6 dimensions and 35 entries. The Cronbach’s α coefficient for the total scale was 0.908, the split-half reliability was 0.790, and the test–retest reliability after 2 weeks was 0.471. The content validity index of the total scale was 0.963. Exploratory factor analysis yielded six common factors, and the cumulative contribution rate of variance was 66.303%. Confirmatory factor analysis showed that except for the incremental fit index, Tucker–Lewis index, and comparative fit index >0.85, slightly lower than 0.90, χ 2 /df <3, root mean square of approximation <0.08, parsimonious goodness-of-fit index, and parsimonious normed fit index >0.50; all other model fitting requirements were satisfied, indicating that the model fitting was acceptable. Conclusion We compiled the postoperative self-management assessment scale for patients with AD, which has demonstrated excellent reliability and validity and can be used as a tool to evaluate the postoperative self-management level in patients with aortic dissection.
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Zhang et al. (2024) conducted an observational in Aortic dissection (n=415). Postoperative self-management assessment scale was evaluated on Scale reliability and validity. The compiled postoperative self-management assessment scale for patients with aortic dissection demonstrated excellent reliability (Cronbach's α 0.908) and validity (content validity index 0.963).
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